Global Patent Index - EP 0946295 A1

EP 0946295 A1 19991006 - CATALYST FOR DEHYDROGENATION OF AMINO ALCOHOLS TO AMINO CARBOXYLIC ACIDS OR OF ETHYLENE GLYCOL (DERIVATIVES) TO OXYCARBOXYLIC ACIDS, METHOD FOR THEIR PRODUCTION AND THEIR USE

Title (en)

CATALYST FOR DEHYDROGENATION OF AMINO ALCOHOLS TO AMINO CARBOXYLIC ACIDS OR OF ETHYLENE GLYCOL (DERIVATIVES) TO OXYCARBOXYLIC ACIDS, METHOD FOR THEIR PRODUCTION AND THEIR USE

Title (de)

KATALYSATOR ZUR DEHYDROGENIERUNG VON AMINOALKOHOLEN ZU AMINOCARBONSÄUREN ODER VON ETHYLENGLYKOL(DERIVATEN) ZU OXYCARBONSÄUREN, VERFAHREN ZU SEINER HERSTELLUNG UND SEINE VERWENDUNG

Title (fr)

CATALYSEUR POUR DESHYDROGENATION D'AMINOALCOOLS EN ACIDES AMINOCARBOXYLIQUES ET DE (DERIVES D')ETHYLENEGLYCOLS EN ACIDES OXYCARBOXYLIQUES, SON PROCEDE DE PRODUCTION ET SON UTILISATION

Publication

EP 0946295 A1 19991006 (DE)

Application

EP 97943892 A 19970924

Priority

  • DE 19639474 A 19960926
  • EP 9705224 W 19970924

Abstract (en)

[origin: WO9813140A1] The invention relates to a catalyst for dehydrogenation of amino alcohols to amino carboxylic acids or ethylene glycol (derivatives) to oxycarboxylic acids, containing zirconium, copper and eventually any other metal. Said metals are precipitated, purified, calcinated and reduced. The catalyst is produced by precipitating zirconium hydroxide with a base, from an aqueous solution of zirconium salt until a pH value of 4 to 10 is achieved. A copper salt aqueous solution and eventually an additional salt is added to the zirconium hydroxide suspension. Copper hydroxide and eventually the hydroxide of the metal contained in the other salt is precipitated, by adding an additional base until a pH value of 8 to 14 is achieved. The suspension obtained is filtered, purified, dried, air calcinated at 450 to 600 DEG C for 2 to 4 hours, and finally reduced for 2 to 4 hours in a hydrogen stream at 200 to 250 DEG C.

IPC 1-7

B01J 23/72; C07C 51/16; C07C 227/02

IPC 8 full level

B01J 23/72 (2006.01); B01J 37/02 (2006.01); C07B 61/00 (2006.01); C07C 51/16 (2006.01); C07C 51/295 (2006.01); C07C 59/125 (2006.01); C07C 59/305 (2006.01); C07C 227/02 (2006.01); C07C 229/16 (2006.01); C07C 229/12 (2006.01); C07C 229/42 (2006.01)

CPC (source: EP KR US)

B01J 23/72 (2013.01 - EP KR US); B01J 37/0236 (2013.01 - EP US); C07C 51/295 (2013.01 - EP US); C07C 227/02 (2013.01 - EP US)

C-Set (source: EP US)

  1. C07C 51/295 + C07C 59/125
  2. C07C 227/02 + C07C 229/12
  3. C07C 227/02 + C07C 229/16
  4. C07C 227/02 + C07C 229/42

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

WO 9813140 A1 19980402; AT E255463 T1 20031215; AU 4556897 A 19980417; AU 714351 B2 19991223; BR 9711410 A 19990817; CA 2265977 A1 19980402; CN 1113695 C 20030709; CN 1231620 A 19991013; DE 59711079 D1 20040115; EP 0946295 A1 19991006; EP 0946295 B1 20031203; ES 2212135 T3 20040716; HU P9904636 A2 20000528; HU P9904636 A3 20000828; IL 128699 A0 20000131; JP 2001501130 A 20010130; KR 20000048617 A 20000725; TR 199900699 T2 19990721; TW 422740 B 20010221; US 6159894 A 20001212

DOCDB simple family (application)

EP 9705224 W 19970924; AT 97943892 T 19970924; AU 4556897 A 19970924; BR 9711410 A 19970924; CA 2265977 A 19970924; CN 97198279 A 19970924; DE 59711079 T 19970924; EP 97943892 A 19970924; ES 97943892 T 19970924; HU P9904636 A 19970924; IL 12869997 A 19970924; JP 51526198 A 19970924; KR 19997002557 A 19990325; TR 9900699 T 19970924; TW 86114358 A 19971002; US 24256099 A 19990326